21 C.F.R. § 862.1770 Urea nitrogen test system.
Title 21 - Food and Drugs
(a) Identification. A urea nitrogen test system is a device intended to measure urea nitrogen (an end-product of nitrogen metabolism) in whole blood, serum, plasma, and urine. Measurements obtained by this device are used in the diagnosis and treatment of certain renal and metabolic diseases. (b) Classification. Class II.
Title 21: Food and Drugs
PART 862—CLINICAL CHEMISTRY AND CLINICAL TOXICOLOGY DEVICES
Subpart B—Clinical Chemistry Test Systems
§ 862.1770 Urea nitrogen test system.

